trefle.io · Taken Feb 13, 2022 by Reinhard Hampel (cc-by-sa)
Euphorbiaceae
Dog mercury
Mercurialis perennis
Also known as Mercurialis perennis subvar. alpina, Mercurialis sylvestris, Mercurialis perennis f. sylvatica, Boggard posy
Native Plants · Groundcover · Shade · Woodland · Spreading · Native · Naturalize · Understory · Perennial
This woodland groundcover thrives in deep shade and moist, humus-rich soil. Once established, it requires minimal care and spreads naturally to form colonies. Ideal for naturalizing under trees where other plants struggle.
Growing conditions
The details behind the basics
- Daily light
- 2 hours
- Watering
- Light watering to keep soil consistently moist but not waterlogged · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–7
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-10b
Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 16 in
- Spacing
- 8 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Corse, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Iran, Ireland
Sources: trefle, usda
More Mercurialis
Related plants from the same genus
Buy this plant
No nurseries currently list it
No nursery lists Dog mercury right now.